quantitative classification是什么意思

网络释义

用法例句

The mating behavior and ability of the black cutworm moth,Agrotis ypsilon;

小地老虎的交配行为和能力

EAG response of the male black cutworm moth,Agrotis ypsilon (Rottemberg) (Lepidoptera:Noctuidae) to the female s sex pheromone;

小地老虎雄蛾对雌蛾性信息素的EAG反应

Isolation and identification of Bacillus thuringiensis strains toxic to Agrotis ypsilon;

对小地老虎具有杀虫毒力的苏云金芽孢杆菌菌株的分离及鉴定

Experiment on Control of Agrotis ypsilon Rottemberg in Tobacco Field with Beauveria bassiana;

白僵菌防治烟田小地老虎试验

A Study on Forecasting Model of PPR on Damage Level of First Generation of Agrotis ypsilon Rottemberg;

第一代小地老虎危害程度的投影寻踪回归预测模型的研究

Field trials were conducted to validate the efficacy of 10% diazinon GR agaist Agrotis ypsilon rottemberg fed on Waxy Corn.

为验证10%二嗪磷颗粒剂防治地下害虫的效果,确定最佳剂量,进行了糯玉米地块防治小地老虎的田间药效试验,结果表明:10%二嗪磷颗粒剂对小地老虎的最佳用量为400~500 g/667 m2,药后7 d的防效达到89%左右,21 d时防效达到100%,具有较好的速效性和持效性。

This dissertation point out the matter about the development of mechanization of farming in the range of small plot at present.

从我国目前小地块地区范围农业机械化的发展现状出发,指出了在小地块地区范围内发展农业机械化事业存在的问题,并根据这些问题提出了自己的解决方法,争取以最快的速度在这些地区发展适合自己的农业机械化事业,早日实现农业现代化。